<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
       *{
        margin: 0;
        padding: 0;
        outline: 0;
       }
       .box{
        width: 200px;
        height: 100px;
        /* border-radius: 1px solid black; */
        background-color: white;
       }
       .box1{
        margin-top: 5px;
        margin-left: 5px;
        width: 20px;
        height: 10px;
        /* border-radius: 1px solid black; */
        background-color: black;
       }
       .box2{
        margin-top: 45px;
        margin-left: 90px;
        width: 20px;
        height: 10px;
        /* border-radius: 1px solid black; */
        background-color: black;
       }
       .box3{
        margin-top: 85px;
        margin-left: 175px;
        width: 20px;
        height: 10px;
        /* border-radius: 1px solid black; */
        background-color: black;
       }
       

        
    </style>
</head>

<body>
    <div class="box">
        <div class="box1"></div>
        <div class="box2"></div>
        <div class="box3"></div>
    </div>
</body>

</html>